Mercedes GLB-Class (2019) is 371 mm (14.61 inch) longer, 18 mm (0.71 inch) wider, 200 mm (7.87 inch) higher and has 190 liters (6.71 ft3) bigger cargo space than Seat Leon (2014).
Seat Leon (2014) is 236 kg (520 lbs) lighter than Mercedes GLB-Class (2019).